#init{
    width: 1500px;
    height: auto;
    margin: 0 auto;
    position: relative;
}
body{
    margin: 0;
    padding: 0;
    background-color: #f6f6f6;
}
#top{
    width: 100%;
    height: 50px;
    background-color: #fff;
    position: absolute;
    top: 0;
    border-radius: 10px;

}
#top div{
    height: 50px;
    line-height: 50px;
    font-size: 34px;
    text-align: center;
    color: cornflowerblue;
    cursor: default;
}
#nav{
    width: 225px;
    height: 650px;
    background-color: #fff;
    position: absolute;
    left: 0;
    top: 60px;
    border-radius: 10px;
}
.show{
    width: 1235px;
    height: 650px;
    background-color: #fff;
    position: absolute;
    right: 0;
    top: 60px;
    border-radius: 10px;
    display: none;
}
#show{
    width: 1235px;
    height: 650px;
    background-color: #fff;
    position: absolute;
    right: 0;
    top: 60px;
    border-radius: 10px;
    display: block;
}
#nav .navbtn{
    height: 44px;
    width: 210px;
    border-radius: 5px;
    border: none;
    color: black;
    font-size: 22px;
    line-height: 44px;
    text-align: center;
    background-color: #fff;
    margin-left: 7px;
    margin-top: 33px;
}
#nav .navbtn:hover{
    background-color: #2890ff;
    color: #fff;
    
}
#show7 #box1{
    
    float: left;
    margin-left: 200px;
    
}

#show7 #box1 .inittitle{
    font-size: 26px;
    margin-top: 30px;
    cursor: default;
}
#show7 #initimg{
    position: absolute;
    bottom: 10px;
    left: 160px;
    z-index: 9;
    width: 850px;
    height: 350px;
    margin-top: 100px;
    border-radius: 10px;
}

